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The source code// $Id: Tools.java,v 1.17 2004/08/03 18:58:41 mvw Exp $ // Copyright (c) 1996-2004 The Regents of the University of California. All // Rights Reserved. Permission to use, copy, modify, and distribute this // software and its documentation without fee, and without a written // agreement is hereby granted, provided that the above copyright notice // and this paragraph appear in all copies. This software program and // documentation are copyrighted by The Regents of the University of // California. The software program and documentation are supplied "AS // IS", without any accompanying services from The Regents. The Regents // does not warrant that the operation of the program will be // uninterrupted or error-free. The end-user understands that the program // was developed for research purposes and is advised not to rely // exclusively on the program for any reason. IN NO EVENT SHALL THE // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, // UPDATES, ENHANCEMENTS, OR MODIFICATIONS. package org.argouml.util; import java.io.BufferedReader; import java.io.File; import java.io.IOException; import java.io.StringReader; import java.util.Locale; import javax.xml.parsers.SAXParserFactory; import org.argouml.i18n.Translator; import org.apache.log4j.Logger; /** * Some tools thrown together... * */ public class Tools { /** logger */ private static final Logger LOG = Logger.getLogger(Tools.class); private static final String PACKAGELIST[] = new String[]{ "org.argouml.application", "ru.novosoft.uml", "org.tigris.gef.base", "org.xml.sax", "java.lang", "org.apache.log4j", }; private static void getComponentVersionInfo(StringBuffer sb, String pn) { sb.append(Translator.localize("label", "label.package")).append(": "); sb.append(pn); sb.append('\n'); Package pkg = Package.getPackage(pn); if (pkg == null) { sb.append(Translator.localize("label", "label.no-version")); } else { String in = pkg.getImplementationTitle(); if (in != null) { sb.append(Translator.localize("label", "label.component")); sb.append(": "); sb.append(in); } in = pkg.getImplementationVendor(); if (in != null) { sb.append(Translator.localize("label", "label.by")); sb.append(": "); sb.append(in); } in = pkg.getImplementationVersion(); if (in != null) { sb.append(", "); sb.append(Translator.localize("label", "label.version")); sb.append(" "); sb.append(in); sb.append('\n'); } } sb.append('\n'); } /** * @return a String containing the version information */ public static String getVersionInfo() { try { // class preloading, so packages are there... Class cls = Class.forName("org.tigris.gef.base.Editor"); cls = Class.forName("org.xml.sax.AttributeList"); cls = Class.forName("org.apache.log4j.Logger"); StringBuffer sb = new StringBuffer(); String saxFactory = System.getProperty("javax.xml.parsers.SAXParserFactory"); if (saxFactory != null) { Object[] msgArgs = { saxFactory }; sb.append(Translator.messageFormat("label", "label.sax-factory1", msgArgs)); } Object saxObject = null; try { saxObject = SAXParserFactory.newInstance(); Object[] msgArgs = { saxObject.getClass().getName() }; sb.append(Translator.messageFormat("label", "label.sax-factory2", msgArgs)); sb.append("\n"); } catch (Exception ex) { sb.append(Translator.localize("label", "label.error-sax-factory")); } for (int i = 0; i < PACKAGELIST.length; i++) { getComponentVersionInfo(sb, PACKAGELIST[i]); } if (saxObject != null) { // ...getPackage() can return null's, so we have to // cater for this: Package pckg = saxObject.getClass().getPackage(); if (pckg != null) { getComponentVersionInfo(sb, pckg.getName()); } } sb.append("\n"); sb.append(Translator.localize("label", "label.os")); sb.append(System.getProperty("os.name", "unknown")); sb.append('\n'); sb.append(Translator.localize("label", "label.os-version")); sb.append(System.getProperty("os.version", "unknown")); sb.append('\n'); sb.append(Translator.localize("label", "label.language")); sb.append(Locale.getDefault().getLanguage()); sb.append('\n'); sb.append(Translator.localize("label", "label.country")); sb.append(Locale.getDefault().getCountry()); sb.append('\n'); sb.append('\n'); return sb.toString(); } catch (Exception e) { return e.toString(); } } /** * Print out some version info for debugging. */ public static void logVersionInfo() { BufferedReader r = new BufferedReader(new StringReader(getVersionInfo())); try { while (true) { String s = r.readLine(); if (s == null) break; LOG.info(s); } } catch (IOException ioe) { } } /** getFileExtension returns the file extension of a file. * @param file the File to examine * @return extension including the dot, or null */ public static String getFileExtension(File file) { String ext = null; String s = file.getName(); int i = s.lastIndexOf('.'); if (i > 0) ext = s.substring(i).toLowerCase(); return ext; } } |
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